10 Best Solar Watches in Singapore [Updated 2025]

Why Solar Watches?

If you’ve been considering getting a new watch for some time now, you might’ve heard of solar watches. As novel as this idea might seem initially, buying a solar watch can actually be a very practical choice for you, and this is why!

Solar watches are generally more cost-efficient than mechanical watches due to them being powered on solar, thereby reducing the need for regular battery replacements, or expensive maintenance. Compared to a regular quartz watch which might need battery replacements every 1 to 2 years, solar watches can last up to 50 years if taken care of properly!

Additionally, solar watches also typically rely on quartz movements that provide high accuracy, ensuring precise timekeeping without the need for manual adjustment. Solar watches also have an average battery life of 6 months without charging, and can also be powered from artificial sources of light such as your room lights.

The best part is: solar watches do not compromise on their aesthetics! This is because solar cells on watches are typically installed behind the dial, ensuring the best of both worlds for design & functionality.

Our Best Solar Watches

To us, the perfect solar watch should not only look amazing on the wrist, but also top-notch within the industry in terms of battery life & charging time that commands its price tag, with a robust warranty plan to boot. With this in mind, we’ve handpicked 10 of the best solar watches in Singapore, based on both online & personal reviews!

Do take note that the watches are listed in alphabetical order.

Cartier Tank Must Watch

If you are a big fan of classic watches from the past, you would be a big fan of the Cartier Tank Must Watch. An ingenious innovation in itself, it preserves the hallmarks of its iconic and elegant design, while incorporated with modern timekeeping technology.

Adapted from the Tank Watch by Louis Carter in 1917, the Cartier Tank Must Watch beautifully preserves the design and classiness of the OG watch, while incorporating its patented, state-of-the-art SolarBeat photovoltaic movement.

The watch also features an elegant beaded crown set with a synthetic cabochon-shaped spinel, a silvered dial, blued-steel sword-shaped hands, a black strap which is animal-free, as well as a steel ardillon buckle.

However, being part of the Cartier Tank series, its price point is naturally more steep, being priced at SGD 4,400 per watch.

Price: SGD 4,400
Power Reserve: 42 hours
Charging Time: 20 minutes
Case Material: Stainless steel case
Water Resistance: 3 bar
Warranty: 8 years

Citizen Nighthawk

Probably one of the coolest watches in this list, most people who purchase this watch are usually those who enjoy the multi-functionality of the different dials.

The Citizen Nighthawk is a watch which has a a pilot's slide rule dial ring, which can help you calculate interesting statistics such as your speed in air, distance between 2 points as well as time taken between 2 points. If you are someone who is into flying, or even a pilot yourself, this could be a very handy (no pun intended) timepiece to accompany you in your travels.

Plated in all black ion-plated stainless steel, coupled with a 1/5 second chronograph that measures up to 60 minutes and a12/24 hour time dial, this watch is the perfect conversation striker for any occasion of the week.

Price: SGD 600
Power Reserve: 7 months
Charging Time: 11 hours
Case Material: Stainless Steel
Water Resistance: 20 bar
Warranty: 5 year limited warranty with free bracelet sizing
Additional Features: 1/5 Second Chronograph Measures up to 60 Minutes,12/24 Hour Time, Date

Citizen Promaster Dive

If you are someone who enjoys scuba diving overseas and are looking for a watch, the Citizen Promaster Dive is a solid recommendation. Being an ISO-compliant diver watch, it features an impressive 20 bar water resistance, and is featured in stainless steel with azure blue aluminum bezel. Powered by Eco-Drive, the watch promises to be able to be powered by any light source, removing the need for any replacement of batteries.

Being 44mm in diameter and featuring a very solid and rounded edge design, the stainless steel case is designed to sit firmly on your wrist as well! It is also relatively affordable compared to the other watches on this list, making this watch truly a bang for your buck.

Price: SGD 450
Power Reserve: 6 months
Charging Time: 11 hours
Case Material: Stainless Steel/Promaster Crown/One-Way Rotating Elapsed Time Bezel
Water Resistance: 20 bar
Warranty: 5 Year limited warranty with free bracelet sizing
Additional Features: 3 Hand, Date

fēnix 7 Sapphire Solar

The perfect watch for athletes & adrenaline junkies, the rugged fēnix 7 Sapphire Solar is a multisport GPS watch which features a scratch-resistant Power Sapphire solar charging lens, advanced training features, sports apps, health and wellness monitoring sensors and more.

Tested to U.S. military standards for thermal, shock and water resistance, the watch boasts a 22 hour battery life with solar charging, supporting various features like VO2 max & heart rate, as well as a large 1.3” solar charged display and 47 mm case.

The fēnix 7 Sapphire Solar is also able to produce topographical maps that show points of interests and are customizable to your own preference, thereby being the perfect accompaniment to hiking or climbing enthusiasts.

While it only offers a year in warranty length, the fēnix 7 Sapphire Solar is one of the most affordable options on the list.

Price: SGD 1,429
Power Reserve: 22 days
Charging Time: 2.5 hours
Case Material: DLC Titanium
Water Resistance: 10 bar
Warranty: 1 year

Garmin Instinct 2 Solar

A budget alternative to the fēnix 7 Sapphire Solar, the Garmin Instinct 2 Solar is equally as rugged, with a fiber-reinforced polymer case and chemically strengthened, scratch-resistant Corning Gorilla Glass that is built to endure.

The watch also features access to multiple global navigation satellite systems (GPS, GLONASS and Galileo) to track in more challenging environments than GPS alone, which is built perfectly for hiking, mountain biking, trail running or skiing.

The major difference between this and the fēnix 7 Sapphire Solar, however, is that the Garmin Instinct 2 Solar is unable to produce topographical maps, but you are able to load it with a route and it will provide a breadcrumb trail.

Price: SGD 689
Power Reserve: Up to 32 days
Charging Time: 4 Hours
Case Material: Fiber-reinforced polymer
Water Resistance: 10 bar
Warranty: 2 Years

G-SHOCK Digital 5600 Series

Renowned for its incredible durability and shock absorption, the G-Shock Digital 5600 series is yet another solar watch perfect for the rough and tough outdoor enthusiasts.

Being made of resin and weighing just 51.7 grams, it is an extremely comfortable watch that is featherweight and perfect for outdoor activity.

Powered by Tough Solar, which promises stable operation even when using power-hungry functions, you would also rarely need to replace the battery of your watch. This ultimately makes it a much more eco-friendly option, if that is one of your major considerations.

Price: SGD 239
Power Reserve: 10 months to 26 months
Charging Time: 27 hours
Case Material: Resin
Water Resistance: 20 bar
Warranty: 2 years
Additional Features: Shock resistant

Seiko Astron GPS Solar

Pioneering the world’s first GPS solar watch, the Seiko Astron GPS Solar is perfect for frequent travelers around the world due to its sheer speed & convenience for time zone adjustment. Using three independent motors for the hour, minute and second hands, this watch boasts being able to take just three seconds to change from one time zone to another, with just a press of a button & not requiring any battery charge.

It also features exact synchronization to the time every single day, to a precision of one second every 100,000 years. By just simply exposing the watch to sunlight, the watch will be able watch to connect to a GPS satellite and reset the time.

In terms of ergonomics, the Solar Astro GPS Solar also sits comfortably on your wrist, being 39.0mm in diameter and 12.3mm in thickness. It also comes with a new adjustment system for the buckle, in order to take into account temperature differences as a result of differing climates.

Price: SGD 2,996.00
Power Reserve: 6 months
Charging Time: Up to 30 hours
Case Material: Titanium (super hard coating) with ceramic bezel
Water Resistance: 20 bar
Warranty: 7 years
Additional Features: Allergy-safe metal, Clasp with Smart Adjuster function, Screw case back

Seiko SUP880

If you are personally a fan of the aesthetic of the Cartier Tank, but are looking for a more budget friendly alternative, the Seiko SUP880 is where it is at.

Distinctively slim and comfortable, the watch comes in at a diameter of just 28.5 millimeters, a band width of 22 millimeters and a thickness of 6.1 millimeters. For its price point, its leather is also extremely supple and soft.

It also has an extremely impressive charging time of just 8 minutes for 11 years of battery life, making this watch truly a bang for your buck.

Price: SGD 250
Power Reserve: 12 months
Charging Time: 8 minutes
Case Material: Calfskin
Water Resistance: 3 bar
Warranty: 7 years
Additional Features: Shock resistant

Seiko Prospex SpeedTimer SSC813

The Seiko Prospex SpeedTimer SSC813 is yet another watch on this list that is catered specially for both recreational and professional divers alike, with a water resistance of 10 bars. Coupled with a curved sapphire crystal, this watch is one which is extremely hardy & robust.

What is neat about this watch is that it has 3 sub-dials dedicated to a 24 hour clock, as well as a charge indicator that ranges from F to E to reflect the battery level of the watch.

Being 39mm in diameter and 45.5mm in lug-to-lug, many have complimented on the ergonomics of this watch, largely due to its downward sloping lugs which are gentle on the wrist.

However, owners have commented that the solar cells within this watch are visible from some angles, so do keep that in mind if you are someone who is heavily focused on the aesthetics of the watch.

Price: SGD 892.40
Power Reserve: 6 months
Charging Time: 5 hours
Case Material: Stainless Steel
Water Resistance: 10 bar
Warranty: 3 Year Factory Warranty, with the option to add an additional year with registration.
Additional Features: Overcharge prevention function, 24-hour hand, Charge indicator

Tissot T-Touch Connect Solar

The pioneer of the tactile watch, the main selling point of the Tissot T-Touch Connect Solar is that it integrates a touch screen crystal, which allows you to control different functions of the watch through touch such as Bluetooth connectivity, watch vibration and airplane mode.

This watch comes with an impressive power reserve of 6 months, and is able to perform basic functions such as fitness tracking, a perpetual calendar, countdown timer, second timezone, alarms, chronograph, compass and meteo and altimeter functions.

The main gripe most have this watch, however, is that the display interface can be quite hard to read. Also, while this watch is a solid buy for those looking for a traditional watch, it can pale in comparison in terms of functionality to other smart watches in the market currently.

Price: SGD 1490
Power Reserve: 6 months
Charging Time: 4 Hours
Case Material: Antimagnetic titanium case
Water Resistance: 10 bar
Warranty: 2 Years
Additional Features: Touch Screen Crystal

Frequently asked questions for solar watches

Where are the solar panels located on the watch?

Typically, the solar panels are installed below the semi-transparent dial, which allows for sufficient light to pass through and power your watch.

Do solar watches run out of battery?

It is largely dependent on which watch you purchase, but typically for most watches, they should be able to run for a decent period of time if exposed adequately to the sun and other light sources. Battery replacements for solar watches are usually rare and only required if the internal battery is damaged.

Are solar watches expensive?

While they may be slightly costlier than traditional watches due to the installation of solar cells within the watch, the main advantage of solar watches is that they require less servicing and maintenance than a regular watch. In fact, while a common quartz watch would require a battery change every 2 years, a solar watch would require a battery change every 30 years instead.

What are the drawbacks of a solar watch?

When it comes to solar watches, the main criticism watch enthusiasts have with solar watches would be that they do not rely on mechanical movement, which are watches that have a smooth, sweeping second motion rather than a ticking seconds hand.

Run your watch, and your house, on solar

Beyond timekeeping, utilizing solar as a renewable energy source for your home can be an extremely viable choice, especially considering the benefits it brings in terms of cost-savings & financial incentives to your monthly electricity bills.

Furthermore, zero upfront cost offers for residential solar are now available in Singapore, where you are only required to pay monthly for the energy that you use, with servicing and maintenance of the grid fully taken care of by us.

Curious on how much you can save with solar? Click the button below to get a free, instant quote with our solar simulator!

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